13550242320 has 120 divisors (see below), whose sum is σ = 46252384152. Its totient is φ = 3554150400.

The previous prime is 13550242291. The next prime is 13550242351. The reversal of 13550242320 is 2324205531.

It is a happy number.

13550242320 is a `hidden beast` number, since 135 + 502 + 4 + 2 + 3 + 20 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 791184384 + 12759057936 = 28128^2 + 112956^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 110341 + ... + 198180.

Almost surely, 2^13550242320 is an apocalyptic number.

13550242320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13550242320 is an abundant number, since it is smaller than the sum of its proper divisors (32702141832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13550242320 is a wasteful number, since it uses less digits than its factorization.

13550242320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308601 (or 308592 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 13550242320 its reverse (2324205531), we get a palindrome (15874447851).

The spelling of 13550242320 in words is "thirteen billion, five hundred fifty million, two hundred forty-two thousand, three hundred twenty".